package top.yrlby.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import top.yrlby.common.R;
import top.yrlby.pojo.Category;
import top.yrlby.service.CategoryService;

import java.util.List;

/**
 * <p>
 * 菜品及套餐分类 前端控制器
 * </p>
 *
 * @author baiyang
 * @since 2022-09-05
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类信息
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("Category:{}",category);
        categoryService.save(category);
        return R.success("新增分类成功！");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //条件查询
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.orderByAsc(Category::getType);
        queryWrapper.orderByAsc(Category::getSort);
        //创建service page
        categoryService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    /**
     * 条件分类删除
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类,id为：{}",id);
        categoryService.remove(id);

        return R.success("分类信息删除成功");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     * 菜品分类
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //创建条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        //添加条件 where type=1
        queryWrapper.eq(category.getType()!=null,Category::getType, category.getType());
        //添加排序操作：sort升序，更新时间倒序
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        //MP自动生成SQL语句
        List<Category> list =categoryService.list(queryWrapper);
        //返回前端
        return R.success(list);
    }
}

